Gjennomsnittlig GPS-koordinater for postnummer 4990-451: 41.867, -8.411
Notering byer:
>> Gaião 4990-451, Viana do Castelo, Ribeira Brava, Olmos, GPS-koordinater: 41.8667,-8.4111
Notering byer:
>> Gaião 4990-451, Viana do Castelo, Ribeira Brava, Olmos, GPS-koordinater: 41.8667,-8.4111